Document Type and Number:
Japanese Patent JPS5635790
Kind Code:
Y2
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Application Number:
JP2329377U
Publication Date:
August 24, 1981
Filing Date:
March 01, 1977
Export Citation:
International Classes:
G01D21/00; E02D31/08; G01B5/30; G01D9/00; G01V7/00; (IPC1-7): G01D21/00; G01B5/30